Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Intraoral view of strep throat, caused by group A streptococci (1)

The patient exhibited redness and edema of the oropharynx and petechiae on the soft palate. Group A streptococci are spread through direct contact with mucus from the nose or throat of persons who are infected or through contact with infected wounds or sores on the skin. (Courtesy of the Centers for Disease Control and Prevention Public Health Image Library. Image 3183. Photograph by Dr. Heinz F Eichenwald, CDC, 1958. Public domain.)

Associated Disorders

  • Arthritis
  • Athetosis
  • Carditis
  • Chorea gravidarum
  • Obsessive-compulsive behavior
  • Rheumatic fever
  • Streptococcal pharyngitis